vivo Internet Technology

Dec 1, 2017 · Databases

Authoritative Guide to Elasticsearch Search Tuning – Rounded Date Queries, Global Ordinals Warmup, and File System Cache Preloading

This third‑part guide for Elasticsearch 5+ shows how rounding date ranges, eagerly loading global ordinals for keyword fields, and pre‑loading index files into the OS cache—each illustrated with curl commands—can improve search latency while requiring careful trade‑offs between cache friendliness, query complexity, and resource usage.